Código Delphi [-] SELECT count(*) as cuantos FROM ( SELECT E.idEstudiante FROM Estudiantes E INNER JOIN Notas N ON E.idEstudiante=N.idEstudiante GROUP BY E.idEstudiante HAVING MIN(nota) < 5 )
SELECT count(*) as cuantos FROM ( SELECT E.idEstudiante FROM Estudiantes E INNER JOIN Notas N ON E.idEstudiante=N.idEstudiante GROUP BY E.idEstudiante HAVING MIN(nota) < 5 )